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Finding the Third Proportional to 483.13 and 979.75

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Solution

The third proportional to 483.13 and 979.75 is: 1,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.13 : 979.75 = 979.75 : x
  2. Step 2: Convert to fraction form
    483.13/979.75 = 979.75/x
  3. Step 3: Cross multiply
    483.13x = 979.75 × 979.75
  4. Step 4: Simplify right side
    483.13x = 959,910.06
  5. Step 5: Solve for x
    x = 959,910.06/483.13
  6. Step 6: Final answer
    x = 1,986.88

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.